I'm currently running a First Strike 4500 psi tank with an 800 psi regulator and it's doing just over 400 fps with my .25 22 grain cast wadcutters. I might try another tank with a 1100 psi regulator, but it's a hoot to shoot like this so I might leave it alone and call it good. It's raining today so shot count and shot strings will have to wait. It smacks my steel spinners pretty hard though. View attachment 409878
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